if [ ! -d "/media/usb" ];then
    #sudo su;
    sudo mount -o remount,rw /; 
    sudo mkdir -p "/media/usb"
    sudo chmod 777 "/media/usb"
    #echo "目录已创建: /media/usb"
#else
    #echo "目录已存在: /media/usb"
fi
sudo mount  -t ntfs-3g /dev/sda1 /media/usb
echo "mount ok,please check mount"


